PEG-8 Sesquilaurate

INCI: PEG-8 SESQUILAURATE

CAS Number
Not assigned (polymeric PEG ester mixture; "sesqui" = ~1.5 mol lauric acid per mol PEG-8)
Function
Emulsifier
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not restricted by FDA; read-across from CIR PEG Diesters safety assessment concluded safe when formulated to be nonirritating

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

PEG-8 sesquilaurate is a polymeric ester emulsifier assessed as safe up to approximately 25% concentration; minor concern for 1,4-dioxane and ethylene oxide residuals requires manufacturing controls.

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Concern Level: Low

Regulatory Flags

peg-ingredient

Frequently Asked Questions

Is PEG-8 Sesquilaurate safe in cosmetics?

PEG-8 sesquilaurate is a polymeric ester emulsifier assessed as safe up to approximately 25% concentration; minor concern for 1,4-dioxane and ethylene oxide residuals requires manufacturing controls. The EU classifies PEG-8 Sesquilaurate as "permitted". Safety rating: GOOD.

Is PEG-8 Sesquilaurate allowed in the EU?

PEG-8 Sesquilaurate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does PEG-8 Sesquilaurate do in cosmetics?

PEG-8 Sesquilaurate functions as: Emulsifier. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned (polymeric PEG ester mixture; "sesqui" = ~1.5 mol lauric acid per mol PEG-8).

What is the Margin of Safety for PEG-8 Sesquilaurate?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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